Common issues that affect disk drive performance.

1. Defrag the drive twice first.
2. Reseat the connectors on the MB and HD.
3. Make sure your using the right cable. 80 Conductor for UDMA66/100/133.
4. Make sure it's a good cable.
5. If an 80 conductor cable, then make sure to have the blue connector connected to the MB.
6. Can be an HD problem, which can be cleaned up with a Low Level Format.
7. Can be a timing problem with the ATA Controller.
8. Can be a voltage fluxuation, causing a timing problem.
9. Can be caused by OC'ing, causing a timing problem.

George's HDSpeed Disk Performance Test available at his site.

George's site:

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This is an experimental program to determine the speed of hard disks, including the bus bandwidth. No documentation is available. This program is available strictly "as-is". This program is for Windows NT, 2000, and XP only.

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Use: Run it and hit the start button. Once it starts, wait till it completes.

The Bandwidth, is the Interface Speed, and the Sequential, is the Read Sequential Sustained Transfer Rate.

Sisoft Sandra at ...

HDTach at ...

Raptest at the Utilities page, here or at the site

Download, (if from here, unzip first) then execute to unzip the files.



Use: Execute, select the desired drive, then hit the test HD button.

A more complete disk utility which provides a wealth of information on your disks.
Available here